Production of paper, especially overlay paper useful in laminate, e.g. floor covering, involves adding coated particles e.g. of abrasive to pulp before paper machine, in machine and/or in sizing press

摘要

Paper production, includes the stage of adding coated particles with predetermined physical and/or chemical properties directly to the paper pulp before it passes through a paper machine and/or to a fibrous material in the paper machine through a separate charging unit and/or to a fibrous material in the sizing press. Paper production, includes the stage of adding coated particles with predetermined physical and/or chemical properties directly to the paper pulp before it passes through a paper machine and/or to a fibrous material in the paper machine through a separate charging unit and/or to a fibrous material in the sizing press. An Independent claim is also included for paper with embedded particles of the specified type, preferably uniformly distributed.